Senior Full-Stack Developer (.NET / React)

4+ years of hands-on experience in Microsoft .NET/ASP.NET Core and SQL Server, Solid grasp of software design patterns and architectural principles, Proven experience in full-stack development with C# and web technologies, Strong understanding of performance, quality, and security in web applications, Familiarity with Agile practices like CI/CD, TDD, and code reviews, English proficiency at B2 level or higher (spoken and written), Passion for GenAI and its potential to enhance and automate the software development lifecycle, Experience with React, Azure cloud, Work from the client's office in Warsaw three days a week, Serverless/microservices architectures (Docker), RESTful APIs on .NET, Headless CMS Optimizely setups – Optimizely DXP, Algolia Search

sharing the costs of sports activities, private medical care, sharing the costs of professional training & courses, flexible working time, fruits, integration events, coffee / tea, drinks, parking space for employees, leisure zone, meal passes, extra leave